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English Lexicon

Vivitrol

/ˈvɪv.ɪ.trɒl/
nounCEFR C1 (Advanced)Top #14500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    An extended-release, injectable form of naltrexone used as a medication-assisted treatment to prevent relapse in patients with alcohol or opioid dependence.

    "The physician recommended Vivitrol as part of a comprehensive recovery program for opioid addiction."
  2. 2

    A long-acting opioid receptor antagonist administered monthly to block the euphoric effects of alcohol and opioids.

    "He received his monthly Vivitrol injection at the outpatient clinic."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Coined as a proprietary brand name in the early 21st century by Alkermes, combining the Latin root 'viva' (meaning life) with a modification of the pharmaceutical suffix '-trol' commonly used in pharmacology. It was systematically developed to designate an extended-release injectable formulation of naltrexone for opioid and alcohol dependence management.

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